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Designing of High Gain Hemispherical Dielectric Resonator Antenna with Electromagnetic Band-Gap Structure

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Figure

Fig. 1: Geometry of Hemispherical DRA
Fig. 2: Hemispherical DRA surrounded by a cylindrical (mushroom-type) EBG Structure
Fig. 4 shows the simulated return loss of the two antennas i.e., the conventional hemispherical DRA (without EBG structure) and the hemispherical DRA with EBG structure.One can note that the EBG structure modifies slightlythe impedance matching of the ante

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